Sentence examples for concentrations date from inspiring English sources
The onset of metal pollution is dated to the latter part of the 19th century, peak metal concentrations date from the early 1950s, and the observed decline in metal pollution starts in the early 1980s.
No significant KA-induced toxic effect was ever detected on glial cells at this concentration (date not shown).
In the present study, a population PK analysis of the largest pooled dataset of DHA drug concentrations to date from severe malaria patients has been performed.
Because of the overlap of BNP levels in the lower and intermediate concentration, to date, the diagnostic value of BNP in this concentration range seems to be poor.
The apparent viscosity increases with increasing concentration of date syrup and a decrease in temperature.
The effects of different application concentration and date of CCC were further evaluated in Centennial Seedless in later experiment.
Although 3H levels in the atmosphere and precipitation have declined (because of radioactive decay and cessation of atmospheric testing) to the low natural concentrations, groundwater dating has recently been successfully carried out in Sub-Saharan Africa using 3H (Fantong et al. 2010; Dassi 2011; Huneau et al. 2011; Ako et al. 2012).
In the case of highly saturated soil up to 50 wt% pollutant concentration the date given in Table 3 reveals that, only 7 wt% of pollutant is removed under 2 kPa @ 2,100 s, after that the pressure was decreased and fixed at 1.5 kPa.
As in prior studies of this population, we observed decreasing serum concentrations across dates of testing (Steenland et al. 2009).
The principal investigator reviewed every pregnancy (enrolment and follow-up serum hCG concentrations, ultrasound dating, menstrual cycle and coital data) to establish whether conception clearly occurred before E-LNG-ECP was given or well after treatment (at least 10 days after treatment).
The relationships between grain Cd and As concentrations and heading date were examined.
